//--------------------------------------------------------------------------------------
// File: test.cpp
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//--------------------------------------------------------------------------------------
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this
// file except in compliance with the License.  You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// THIS CODE IS PROVIDED *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
// EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED WARRANTIES OR
// CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABLITY OR NON-INFRINGEMENT.
//
// See the Apache Version 2.0 License for specific language governing permissions
// and limitations under the License.
//
//--------------------------------------------------------------------------------------
//
/// <tags>P1</tags>
/// <summary>Copy construct an array_view from another array_view. Ensure that a shallow copy is made by 
/// changing data using one view and make sure the other view can see the update - use function parameter</summary>
// RUN: %amp_device -D__GPU__ %s -m32 -emit-llvm -c -S -O3 -o %t.ll && mkdir -p %t
// RUN: %llc -march=c -o %t/kernel_.cl < %t.ll
// RUN: cat %opencl_math_dir/opencl_math.cl %t/kernel_.cl > %t/kernel.cl
// RUN: pushd %t && objcopy -B i386:x86-64 -I binary -O elf64-x86-64 kernel.cl %t/kernel.o && popd
// RUN: %cxxamp %link %t/kernel.o %s -o %t.out && %t.out

#include <amp.h>
#include"../../../data.h"
#include"../../../amp.compare.h"
#include"../../../../device.h"
using namespace Concurrency;
using namespace Concurrency::Test;
using std::vector;

int test(array_view<int, 1> &av1, array_view<int, 1> av2, vector<int>& vec) // av2 is copy constructed
{
    if(av1.get_extent()[0] != av2.get_extent()[0]) // Verify extent
    {
        return 1;
    }

    // verify data
    if(!VerifyDataOnCpu(av2, vec))
    {
        return 1;
    }

    accelerator device;
//    if (!get_device(Device::ALL_DEVICES, device))
//    {
//        return 2;
//    }
    accelerator_view acc_view = device.get_default_view();
    
    // use in parallel_for_each
    parallel_for_each(acc_view, av2.get_extent(), [=] (index<1> idx) restrict(amp,cpu)
    {
        av2[idx] = av2[idx] + 1;
    });
    
    // verify data
    if(!VerifyDataOnCpu(av1, vec))
    {
        return 1;
    }

    // verify data
    if(!VerifyDataOnCpu(av2, vec))
    {
        return 1;
    }

    return 0;
}

int main()
{
    const int size = 100;

    vector<int> vec(size);
    Fill<int>(vec.data(), size);

    array_view<int, 1> av1(size, vec);

    return test(av1, av1, vec);
 }

